Finding the Fourth Proportional to 14,641.10, 20,204.70 and 7,926.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,641.10 : 20,204.70 = 7,926.72 : x
2. Step 2: Convert to fraction form
   14,641.10/20,204.70 = 7,926.72/x
3. Step 3: Cross multiply
   14,641.10x = 20,204.70 × 7,926.72
4. Step 4: Simplify right side
   14,641.10x = 160,156,999.58
5. Step 5: Solve for x
   x = 160,156,999.58/14,641.10
6. Step 6: Final answer
   x = 10,938.86